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Description (two LEDs for eachT1/E1 port)
Color/State
LED
All ports up
Green
Port
All ports up and one or more ports in a loopback state
Blinking green
One or more configured ports are down
Amber
One or more configured ports are down and at least one configured port is in a
loopback state
Blinking amber
All ports disabled or shut down
Off
All power rails are within supported range
Green
PWR
Disabled
Red
No power on the interface module
Off
Failed
Red
STAT
Disabled or powered down
Off
Booting
Blinking red
Active
Green
Serial Interface Module LEDs
The table below summarizes the LEDs for the serial interface module.
Table 51: Cisco ASR 903 Router Serial IM LEDs
Meaning
Color/State
LED Label
All power rails are within spec.
Green
Power (PWR)
Disabled
Red
No Power
Off
Failure
Red
Operating Status (STAT)
Booting (if IM has a local CPU)
Yellow
Operational
Green
No Power
Off
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
183
Troubleshooting
Serial Interface Module LEDs